Sexually Transmitted Diseases

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Sexually Transmitted Diseases:
Original Article

Results of a Screening Program forChlamydia trachomatisInfection in Men Attending a Sexually Transmitted Diseases Clinic

URBAN, MARGUERITE A. MD*; COURY‐DONIGER, PATRICIA FNPC*; REICHMAN, RICHARD C. MD*†

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Abstract

Background:: Screening programs for Chlamydia trachomatis infection in men are uncommon.

Goal:: To report the results of a screening program using the Syva MicroTrak direct fluorescent antibody (DFA) test (Palo Alto, CA) for diagnosis of C. trachomatis infection in men attending a sexually transmitted diseases (STD) clinic.

Study Design:: DFA testing was performed on an additional urethral specimen obtained during male new patient or new complaint visits between July 1, 1994 and June 30, 1996. Positive and negative test results were compared according to patient demographic characteristics, symptoms, diagnoses, and treatments received.

Results:: 474 of 9,662 (4.9%) DFA tests were positive. Men with chlamydial infection were more likely to be African‐American (p < 10−7) and less than 24 years of age (p < 10−7). C. trachomatis infection was present in 10.7% of those with gonorrhea and 10.0% of those with nongonococcal urethritis. Forty percent of chlamydia cases were asymptomatic, and 97% were treated at the visit owing to existing clinic protocols.

Conclusions:: C. trachomatis infection is common and often asymptomatic in men attending STD Clinics. Infected men are likely to be young and African‐American. Routine screening with the Syva MicroTrak DFA test will detect unsuspected cases of chlamydial infection; however, in the clinic in this report, most cases were already treated according to standard clinic protocols.

© Copyright 1997 American Sexually Transmitted Diseases Association

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